Refrigerator



FIG. 1 is a perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof:

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof where the right side view is a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof with the door shown in an alternate state; and,

FIG. 8 is a front elevational view where hatching is disclosed to represent illumination.

The broken lines shown in FIG. 7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a refrigerator, as shown and described. 